Browsing by Subject "stable isotope"
Now showing items 1-8 of 8
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(2012-07-16)Previous studies have identified δ¹³C events in the Carboniferous that imply major shifts in the carbon cycle. However, inherent in this interpretation is the assumption that epicontinental seas are chemically representative ...
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(2016-09-30)Increasing hydroelectric development in the tropics is beginning to place a large percentage of global freshwater diversity at risk. A prime example is the recently completed Belo Monte Hydroelectric Complex (BMHC) on the ...
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(2012-10-19)This study focused on an invasive riparian reed grass, Arundo donax L., a clonal plant of the family Poaceae that is widely distributed in North America. Water availability, including water taken up from the roots locally ...
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(2017-11-14)Floodplains are among the most biologically productive, but also threatened ecosystems in the world with global loss of natural systems exceeding 60%. Human development activities, including the construction of dams, mining ...
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Influence of Insulin Resistance on Contractile Activity-Induced Anabolic Response of Skeletal Muscle (2011-02-22)Although the long-term therapeutic benefits of exercise are indisputable, contractile activity may induce divergent adaptations in insulin-resistant vs. insulin-sensitive skeletal muscle. The purpose of this study was to ...
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(2012-10-19)This Ph.D. dissertation integrates stable isotope and trace element geochemistry in modern and fossil gastropod shells to study low-latitude marine paleoenvironments. First, stable isotopes (delta18O and delta13C) and Sr/Ca ...
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(Texas A&M University, 2004-09-30)Four separate but complimentary studies investigated the role of grain sorghum as a predator source for Southern Rolling Plains cotton in 2001 and 2002. Objectives were to: (1) determine the timing and magnitude of predator ...
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(2019-04-18)Peatlands have been utilized as sources for paleoclimate data for many years. Previous studies have established that peatland cores can be used as archives of a region’s climate through analysis of carbon, oxygen, and ...